Kasco® Robust-Aire Aeration System

Kasco® SKU: RA1-NC


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NEW Kasco introduces a new offering in our trusted Robust-Aire™ Diffused Aeration product line. A first in the industry, our patent pending Aire-Guard Cabinet Technology combines an innovative approach to airflow with additional filtering to ensure cooler, cleaner air, all within our largest-ever cabinet, capable of running up to 12 diffusers.

Robust-Aire™ systems pump compressed air from a shore-mounted compressor through self-weighted lines to a diffuser on the pond, lake, or tank bottom. The diffuser then continuously releases micro-bubbles that rise to the surface carrying large volumes of water. This induces oxygen-transfer as well as beneficial water movement and mixing.

All Robust-Aire™ diffused aeration systems are available with an optional remote manifold, allowing the compressor to be installed up to a mile away from the water’s edge.

Product Features

  • Best in depths 8 ft. and greater
  • 34% quieter than previous models
  • Large filters on compressors feature maintenance indicator alerting when cleaning is needed
  • No electricity required in the water
  • Speeds up organic decomposition
  • Creates open water, preventing ice damage
  • Designed for continuous operation


  • Diffuser: Lifetime
  • Cabinet: Lifetime
  • Tubing: 15-years
  • Compressor: 3-years (2-years for moving parts)

Package Includes

  • Diffuser assembly
  • Compressor mounting option
  • Compressor(s)
  • Some models include tubing

    PLEASE NOTE:  These Special-Order items dropship from the manufacturer. For the most current ship lead time, please see the "Announcement" section at the top of the Home Page.  Free feel to email us at carol@best-planet.com or use the Chat Feature.


      Quiet Operation

      • Sound reduction of 34% compared to existing models (patent pending)
      • Large air filters means significantly more time between cleaning
      • Visual maintenance indicator quickly alerts when air filter needs to be cleaned or changed
      Kasco Robust-Aire DiffuserKasco Robust-Aire Diffuser Winter-time use